Thiophenes

Organic heterocyclic compounds that consist of a five-membered ring with four carbon atoms, and one sulfur atom.

CAS: 3141-27-3 Molecular Formula: C4H2Br2S Molecular Weight (g/mol): 241.93 MDL Number: MFCD00005420 InChI Key: KBVDUUXRXJTAJC-UHFFFAOYSA-N Synonym: thiophene, 2,5-dibromo,2,5-dibromo-thiophene,unii-f0033k8cxm,pubchem5512,thiophene,5-dibromo,acmc-1ckmh,2,5-bis bromanyl thiophene,ksc224g0j,2,5-dibromothiophene,bidd:gt0086 PubChem CID: 18453 IUPAC Name: 2,5-dibromothiophene SMILES: BrC1=CC=C(Br)S1

Pricing and Availability
Specifications

PubChem CID	18453
CAS	3141-27-3
Molecular Weight (g/mol)	241.93
MDL Number	MFCD00005420
SMILES	BrC1=CC=C(Br)S1
Synonym	thiophene, 2,5-dibromo,2,5-dibromo-thiophene,unii-f0033k8cxm,pubchem5512,thiophene,5-dibromo,acmc-1ckmh,2,5-bis bromanyl thiophene,ksc224g0j,2,5-dibromothiophene,bidd:gt0086
IUPAC Name	2,5-dibromothiophene
InChI Key	KBVDUUXRXJTAJC-UHFFFAOYSA-N
Molecular Formula	C4H2Br2S

2,5-Dibromo-3,4-dinitrothiophene, Thermo Scientific Chemicals

CAS: 52431-30-8 Molecular Formula: C4Br2N2O4S Molecular Weight (g/mol): 331.92 MDL Number: MFCD00015537 InChI Key: AHGHPBPARMANQD-UHFFFAOYSA-N Synonym: 2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc PubChem CID: 257024 IUPAC Name: 2,5-dibromo-3,4-dinitrothiophene SMILES: [O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O

Pricing and Availability
Specifications

PubChem CID	257024
CAS	52431-30-8
Molecular Weight (g/mol)	331.92
MDL Number	MFCD00015537
SMILES	[O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O
Synonym	2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc
IUPAC Name	2,5-dibromo-3,4-dinitrothiophene
InChI Key	AHGHPBPARMANQD-UHFFFAOYSA-N
Molecular Formula	C4Br2N2O4S

3-Amino-4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid, ≥95%, Thermo Scientific™

Pricing and Availability

5-(Methylthio)thiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 20873-58-9 Molecular Formula: C6H6O2S2 Molecular Weight (g/mol): 174.232 MDL Number: MFCD00173742 InChI Key: FWFWUSLBIIIIEN-UHFFFAOYSA-N Synonym: 5-methylthio thiophene-2-carboxylic acid,5-methylsulfanyl thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-methylthio,2-thiophenecarboxylicacid, 5-methylthio,5-methylthiothiophene-2-carboxylic acid,maybridge1_007717,d04ngc,cambridge id 5103856,5-methylmercaptothiophene-2-carboxylic,5-methylthio-2-thiophenecarboxylic acid PubChem CID: 714372 IUPAC Name: 5-methylsulfanylthiophene-2-carboxylic acid SMILES: CSC1=CC=C(S1)C(=O)O

Pricing and Availability
Specifications

PubChem CID	714372
CAS	20873-58-9
Molecular Weight (g/mol)	174.232
MDL Number	MFCD00173742
SMILES	CSC1=CC=C(S1)C(=O)O
Synonym	5-methylthio thiophene-2-carboxylic acid,5-methylsulfanyl thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-methylthio,2-thiophenecarboxylicacid, 5-methylthio,5-methylthiothiophene-2-carboxylic acid,maybridge1_007717,d04ngc,cambridge id 5103856,5-methylmercaptothiophene-2-carboxylic,5-methylthio-2-thiophenecarboxylic acid
IUPAC Name	5-methylsulfanylthiophene-2-carboxylic acid
InChI Key	FWFWUSLBIIIIEN-UHFFFAOYSA-N
Molecular Formula	C6H6O2S2

4-Phenyl-5-(trifluoromethyl)thiophen-3-amine, ≥97%, Thermo Scientific™

CAS: 256427-77-7 Molecular Formula: C11H8F3NS Molecular Weight (g/mol): 243.247 MDL Number: MFCD01934528 InChI Key: KBIPYEXWOYDDDL-UHFFFAOYSA-N Synonym: 4-phenyl-5-trifluoromethyl thiophen-3-amine,4-phenyl-5-trifluoromethyl thien-3-ylamine,3-amino-4-phenyl-5-trifluoromethyl thiophene,maybridge3_006438,4-phenyl-5-trifluoromethyl-3-thienylamine,4-phenyl-5-trifluoromethyl thiophene-3-amine PubChem CID: 2782905 IUPAC Name: 4-phenyl-5-(trifluoromethyl)thiophen-3-amine SMILES: C1=CC=C(C=C1)C2=C(SC=C2N)C(F)(F)F

Pricing and Availability
Specifications

PubChem CID	2782905
CAS	256427-77-7
Molecular Weight (g/mol)	243.247
MDL Number	MFCD01934528
SMILES	C1=CC=C(C=C1)C2=C(SC=C2N)C(F)(F)F
Synonym	4-phenyl-5-trifluoromethyl thiophen-3-amine,4-phenyl-5-trifluoromethyl thien-3-ylamine,3-amino-4-phenyl-5-trifluoromethyl thiophene,maybridge3_006438,4-phenyl-5-trifluoromethyl-3-thienylamine,4-phenyl-5-trifluoromethyl thiophene-3-amine
IUPAC Name	4-phenyl-5-(trifluoromethyl)thiophen-3-amine
InChI Key	KBIPYEXWOYDDDL-UHFFFAOYSA-N
Molecular Formula	C11H8F3NS

5-Bromo-4-methoxythiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 162848-23-9 Molecular Formula: C6H5BrO3S Molecular Weight (g/mol): 237.07 MDL Number: MFCD00068031 InChI Key: OMNYIQIDPSRNES-UHFFFAOYSA-N Synonym: 3-thiophenecarboxylicacid, 5-bromo-4-methoxy,maybridge3_003417,2-bromo-3-methoxythiophene-4-carboxylic acid,5-bromo-4-methoxy-3-thiophenecarboxylic acid,5-bromanyl-4-methoxy-thiophene-3-carboxylic acid PubChem CID: 2778393 IUPAC Name: 5-bromo-4-methoxythiophene-3-carboxylic acid SMILES: COC1=C(Br)SC=C1C(O)=O

Pricing and Availability
Specifications

PubChem CID	2778393
CAS	162848-23-9
Molecular Weight (g/mol)	237.07
MDL Number	MFCD00068031
SMILES	COC1=C(Br)SC=C1C(O)=O
Synonym	3-thiophenecarboxylicacid, 5-bromo-4-methoxy,maybridge3_003417,2-bromo-3-methoxythiophene-4-carboxylic acid,5-bromo-4-methoxy-3-thiophenecarboxylic acid,5-bromanyl-4-methoxy-thiophene-3-carboxylic acid
IUPAC Name	5-bromo-4-methoxythiophene-3-carboxylic acid
InChI Key	OMNYIQIDPSRNES-UHFFFAOYSA-N
Molecular Formula	C6H5BrO3S

5-(2-Furyl)thiophene-2-carboxylic acid, 97%, Thermo Scientific™

Pricing and Availability

(5-pyrid-4-ylthien-2-yl)methanol, 95%, Thermo Scientific™

CAS: 138194-04-4 Molecular Formula: C10H9NOS Molecular Weight (g/mol): 191.248 MDL Number: MFCD09879963 InChI Key: GDGUQNXUEMPEKM-UHFFFAOYSA-N Synonym: 5-pyrid-4-ylthien-2-yl methanol,5-pyridin-4-yl thiophen-2-yl methanol,5-4-pyridyl-2-thienyl methan-1-ol,5-pyridin-4-ylthiophen-2-yl methanol PubChem CID: 15708918 IUPAC Name: (5-pyridin-4-ylthiophen-2-yl)methanol SMILES: C1=CN=CC=C1C2=CC=C(S2)CO

Pricing and Availability
Specifications

PubChem CID	15708918
CAS	138194-04-4
Molecular Weight (g/mol)	191.248
MDL Number	MFCD09879963
SMILES	C1=CN=CC=C1C2=CC=C(S2)CO
Synonym	5-pyrid-4-ylthien-2-yl methanol,5-pyridin-4-yl thiophen-2-yl methanol,5-4-pyridyl-2-thienyl methan-1-ol,5-pyridin-4-ylthiophen-2-yl methanol
IUPAC Name	(5-pyridin-4-ylthiophen-2-yl)methanol
InChI Key	GDGUQNXUEMPEKM-UHFFFAOYSA-N
Molecular Formula	C10H9NOS

2-Bromo-5-nitrothiophene, 97%

CAS: 13195-50-1 Molecular Formula: C₄H₂BrNO₂S Molecular Weight (g/mol): 208.03 InChI Key: ZPNFMDYBAQDFDY-UHFFFAOYSA-N PubChem CID: 83222 IUPAC Name: 2-bromo-5-nitrothiophene SMILES: C1=C(SC(=C1)Br)[N+](=O)[O-]

Pricing and Availability
Specifications

PubChem CID	83222
CAS	13195-50-1
Molecular Weight (g/mol)	208.03
SMILES	C1=C(SC(=C1)Br)[N+](=O)[O-]
IUPAC Name	2-bromo-5-nitrothiophene
InChI Key	ZPNFMDYBAQDFDY-UHFFFAOYSA-N
Molecular Formula	C₄H₂BrNO₂S

2-(5-Ethynylthien-2-yl)pyridine, ≥97%, Thermo Scientific™

CAS: 132464-90-5 Molecular Formula: C11H7NS Molecular Weight (g/mol): 185.244 MDL Number: MFCD08271876 InChI Key: CTZZEBNNWDVUFO-UHFFFAOYSA-N Synonym: 2-5-ethynylthien-2-yl pyridine,2-5-ethynylthiophen-2-yl pyridine,pyridine,2-5-ethynyl-2-thienyl,pyridine, 2-5-ethynyl-2-thienyl,acmc-20muis,5-ethynyl-2-2-pyridyl thiophene,2-ethynyl-5-pyridin-2-yl thiophene PubChem CID: 15084146 IUPAC Name: 2-(5-ethynylthiophen-2-yl)pyridine SMILES: C#CC1=CC=C(S1)C2=CC=CC=N2

Pricing and Availability
Specifications

PubChem CID	15084146
CAS	132464-90-5
Molecular Weight (g/mol)	185.244
MDL Number	MFCD08271876
SMILES	C#CC1=CC=C(S1)C2=CC=CC=N2
Synonym	2-5-ethynylthien-2-yl pyridine,2-5-ethynylthiophen-2-yl pyridine,pyridine,2-5-ethynyl-2-thienyl,pyridine, 2-5-ethynyl-2-thienyl,acmc-20muis,5-ethynyl-2-2-pyridyl thiophene,2-ethynyl-5-pyridin-2-yl thiophene
IUPAC Name	2-(5-ethynylthiophen-2-yl)pyridine
InChI Key	CTZZEBNNWDVUFO-UHFFFAOYSA-N
Molecular Formula	C11H7NS

7-Aminothieno[2,3-b]pyrazine-6-carboxylic acid, ≥90%, Thermo Scientific™

CAS: 56881-31-3 Molecular Formula: C7H5N3O2S Molecular Weight (g/mol): 195.196 MDL Number: MFCD08271964 InChI Key: UJUCBOIXAMPUQL-UHFFFAOYSA-N Synonym: 7-aminothieno 2,3-b pyrazine-6-carboxylic acid,7-aminothieno 2,3-b pyrazine-6-carboxylicacid,7-aminothiopheno 3,2-b pyrazine-6-carboxylic acid,thieno 2,3-b pyrazine-6-carboxylicacid, 7-amino,7-aminothieno 2,3-b pyrazine-6-carboxylic acid mb41-1 PubChem CID: 12225712 IUPAC Name: 7-aminothieno[2,3-b]pyrazine-6-carboxylic acid SMILES: C1=CN=C2C(=N1)C(=C(S2)C(=O)O)N

Pricing and Availability
Specifications

PubChem CID	12225712
CAS	56881-31-3
Molecular Weight (g/mol)	195.196
MDL Number	MFCD08271964
SMILES	C1=CN=C2C(=N1)C(=C(S2)C(=O)O)N
Synonym	7-aminothieno 2,3-b pyrazine-6-carboxylic acid,7-aminothieno 2,3-b pyrazine-6-carboxylicacid,7-aminothiopheno 3,2-b pyrazine-6-carboxylic acid,thieno 2,3-b pyrazine-6-carboxylicacid, 7-amino,7-aminothieno 2,3-b pyrazine-6-carboxylic acid mb41-1
IUPAC Name	7-aminothieno[2,3-b]pyrazine-6-carboxylic acid
InChI Key	UJUCBOIXAMPUQL-UHFFFAOYSA-N
Molecular Formula	C7H5N3O2S

2-chloro-3-nitrothiophene, 97%, Thermo Scientific™

CAS: 5330-98-3 Molecular Formula: C4H2ClNO2S Molecular Weight (g/mol): 163.58 MDL Number: MFCD00052159 InChI Key: OFPRGOSJWUNETN-UHFFFAOYSA-N Synonym: thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466 PubChem CID: 220186 IUPAC Name: 2-chloro-3-nitrothiophene SMILES: [O-][N+](=O)C1=C(Cl)SC=C1

Pricing and Availability
Specifications

PubChem CID	220186
CAS	5330-98-3
Molecular Weight (g/mol)	163.58
MDL Number	MFCD00052159
SMILES	[O-][N+](=O)C1=C(Cl)SC=C1
Synonym	thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466
IUPAC Name	2-chloro-3-nitrothiophene
InChI Key	OFPRGOSJWUNETN-UHFFFAOYSA-N
Molecular Formula	C4H2ClNO2S

5-Pyrid-4-ylthiophene-2-carbaldehyde, 97%, Thermo Scientific™

CAS: 129770-69-0 Molecular Formula: C10H7NOS Molecular Weight (g/mol): 189.232 MDL Number: MFCD06802777 InChI Key: SZPFXOQATCPCET-UHFFFAOYSA-N PubChem CID: 11052422 IUPAC Name: 5-pyridin-4-ylthiophene-2-carbaldehyde SMILES: C1=CN=CC=C1C2=CC=C(S2)C=O

Pricing and Availability
Specifications

PubChem CID	11052422
CAS	129770-69-0
Molecular Weight (g/mol)	189.232
MDL Number	MFCD06802777
SMILES	C1=CN=CC=C1C2=CC=C(S2)C=O
IUPAC Name	5-pyridin-4-ylthiophene-2-carbaldehyde
InChI Key	SZPFXOQATCPCET-UHFFFAOYSA-N
Molecular Formula	C10H7NOS

5-Nitrothiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 40357-96-8 Molecular Formula: C5H3NO4S Molecular Weight (g/mol): 173.142 MDL Number: MFCD00052582 InChI Key: VNJUNWUOAKEIKG-UHFFFAOYSA-N Synonym: 5-nitrothiophene-3-carboxylic acid,2-nitrothiophene-4-carboxylic acid,5-nitro-thiophene-3-carboxylic acid,5-nitro-3-thiophenecarboxylic acid,3-thiophenecarboxylic acid, 5-nitro,maybridge1_003249,acmc-1ascr,2-nitro-4-carboxythiophene,ksc238c5f,2-nitro-4-thiophenecarboxylic acid PubChem CID: 2777267 SMILES: C1=C(SC=C1C(=O)O)[N+](=O)[O-]

Pricing and Availability
Specifications

PubChem CID	2777267
CAS	40357-96-8
Molecular Weight (g/mol)	173.142
MDL Number	MFCD00052582
SMILES	C1=C(SC=C1C(=O)O)[N+](=O)[O-]
Synonym	5-nitrothiophene-3-carboxylic acid,2-nitrothiophene-4-carboxylic acid,5-nitro-thiophene-3-carboxylic acid,5-nitro-3-thiophenecarboxylic acid,3-thiophenecarboxylic acid, 5-nitro,maybridge1_003249,acmc-1ascr,2-nitro-4-carboxythiophene,ksc238c5f,2-nitro-4-thiophenecarboxylic acid
InChI Key	VNJUNWUOAKEIKG-UHFFFAOYSA-N
Molecular Formula	C5H3NO4S

Benzo[b]thiophene-2-carbohydrazide, 97%, Thermo Scientific™

CAS: 175135-07-6 Molecular Formula: C9H8N2OS Molecular Weight (g/mol): 192.24 MDL Number: MFCD00052501 InChI Key: ZXKPFIRPUUAAPQ-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carbohydrazide,benzo b thiophene-2-carboxylic hydrazide,thianaphthene-2-carboxylic hydrazide,benzo b thiophene-2-carboxylicacid, hydrazide,maybridge1_008989,acmc-1c3go,#,benzo b thiophene-2-carboxylic acid hydrazide PubChem CID: 519437 IUPAC Name: 1-benzothiophene-2-carbohydrazide SMILES: NNC(=O)C1=CC2=CC=CC=C2S1

Pricing and Availability
Specifications

PubChem CID	519437
CAS	175135-07-6
Molecular Weight (g/mol)	192.24
MDL Number	MFCD00052501
SMILES	NNC(=O)C1=CC2=CC=CC=C2S1
Synonym	benzo b thiophene-2-carbohydrazide,benzo b thiophene-2-carboxylic hydrazide,thianaphthene-2-carboxylic hydrazide,benzo b thiophene-2-carboxylicacid, hydrazide,maybridge1_008989,acmc-1c3go,#,benzo b thiophene-2-carboxylic acid hydrazide
IUPAC Name	1-benzothiophene-2-carbohydrazide
InChI Key	ZXKPFIRPUUAAPQ-UHFFFAOYSA-N
Molecular Formula	C9H8N2OS

Thiophenes

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